Charles
       Marquis d'Yve de Bavay 
       Born 8 May 1885 Bois de Lessines
       Married 1 July 1926 Rumillies
       Princess Mathilde de Croy, daughter of Prince Charles
       Joseph de Croy and Comtesse Mathilde de Robiano
       Born 20 January 1902 Rumillies
                 Children, Generation I

       Generation I
            1  Comtesse Marie d'Yve de Bavay
               Born 2 June 1927 Bruxelles
               Married 27 March 1951 Bruxelles
               Comte Emmanuel de Marnix de Sainte-Aldegonde, son of Comte
               John de Marnix de Sainte-Aldegonde and Comtesse Therese
               d'Oultremont
               Born 24 October 1923 Egzer

            2  Comte Henri d'Yve de Bavay
               Born 2 August 1928 Bruxelles
               Married (1) 19 May 1961 Bruxelles Div.1967
               Comtesse Dominique de Borchgrave d'Altena, daughter of
               Comte Bernard Dominique de Borchgrave d'Altena and Nadine
               Descamps
               Born 22 April 1941 Etterbeek
               Married (2) 15 April 1972 Overijse
               Baronne Charlotte d'Huart, daughter of Baron Thierry
               d'Huart and Baronesse Marie Louise de Fierlant-Dormer
               Born 1 August 1940 Castet-Arrouy
                         Children, Generation II-1

            3  Comte Felix d'Yve de Bavay
               Born 5 January 1930 Bruxelles
               Married 24 September 1959 Tuntingen
               Comtesse Diane de Marchant et d'Ansembourg, daughter of
               Comte Gaston de Marchant et d'Ansembourg and Marguerite
               Brugmann de Walzin
               Born 11 October 1935 Etterbeek
                         Children, Generation II-2

            4  Comte Bernard d'Yve de Bavay
               Born 5 January 1932 Bruxelles

            5  Comte Jean d'Yve de Bavay
               Born 23 January 1936 Bruxelles

            6  Comtesse Agnes d'Yve de Bavay
               Born 23 January 1936 Bruxelles
               Married 11 July 1962 Bruxelles
               Jhr. James Alexander Loudon, son of Jhr. James Willem
               Loudon and Margarethe Katharine Osieck
               Born 13 August 1935 Valkenswaard, H.Valkenhorst

       II-1 (I-2)
        (2) 1  Comte Philippe d'Yve de Bavay
               Born 10 May 1974 Ixelles

            2  Comtesse Antoinette d'Yve de Bavay
               Born 26 August 1975 Ixelles

       II-2 (I-3)
            1  Comte Antoine d'Yve de Bavay
               Born 26 August 1960 Gwaka, Congo

            2  Comte Michel d'Yve de Bavay
               Born 3 July 1962 Mons, Belgium

            3  Comtesse Yolande d'Yve de Bavay
               Born 21 September 1965 Bruxelles
 

                                   Source Listing
                                    --------------

           The Royal House of Stuart
           London, 1969,1971,1976.
                                    by A. C. Addington

           Nederland's Adelsboek
           Den Haag

           Le Parchemin
           XXV 1977,XXVII 1979, XXIX 1980